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</style><div class="docx-wrapper"><section class="docx" style="padding: 42.5pt 42.5pt 42.5pt 70.85pt; width: 595.3pt; min-height: 841.9pt;"><article><p><span><math><mrow><mo>{</mo><mrow><mtable><mtr><mtd><mrow><ms style="font-family: &quot;Cambria Math&quot;;">1÷2=x</ms></mrow></mtd></mtr><mtr><mtd><mrow><ms style="font-family: &quot;Cambria Math&quot;;">3+4=y</ms></mrow></mtd></mtr><mtr><mtd><mrow><ms style="font-family: &quot;Cambria Math&quot;;">5*6=z</ms></mrow></mtd></mtr><mtr><mtd><mrow><mroot><mrow><ms style="font-family: &quot;Cambria Math&quot;;">7</ms></mrow><mn><ms style="font-family: &quot;Cambria Math&quot;;">3</ms></mn></mroot><ms style="font-family: &quot;Cambria Math&quot;;">=w</ms></mrow></mtd></mtr><mtr><mtd><mrow><msub><mrow><ms style="font-family: &quot;Cambria Math&quot;;">x</ms></mrow><mn><msup><mrow><ms style="font-family: &quot;Cambria Math&quot;;">y</ms></mrow><mn><ms style="font-family: &quot;Cambria Math&quot;;">2</ms></mn></msup></mn></msub><msup><mrow><ms style="font-family: &quot;Cambria Math&quot;;">e</ms></mrow><mn><ms style="font-family: &quot;Cambria Math&quot;;">-iωt</ms></mn></msup><msup><mrow><ms style="font-family: &quot;Cambria Math&quot;;">x</ms></mrow><mn><ms style="font-family: &quot;Cambria Math&quot;;">2</ms></mn></msup><mrow><msubsup><mo></mo><mo><mn><ms style="font-family: &quot;Cambria Math&quot;;">1</ms></mn></mo><mo><mn><ms style="font-family: &quot;Cambria Math&quot;;">n</ms></mn></mo></msubsup><ms style="font-family: &quot;Cambria Math&quot;;">Y</ms></mrow></mrow></mtd></mtr><mtr><mtd><mrow><mfrac><mrow><ms style="font-family: &quot;Cambria Math&quot;;">dy</ms></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">dx</ms></mrow></mfrac><mfrac><mrow><ms style="font-family: &quot;Cambria Math&quot;;">Δ</ms><ms style="font-family: &quot;Cambria Math&quot;;">y</ms></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">Δ</ms><ms style="font-family: &quot;Cambria Math&quot;;">x</ms></mrow></mfrac><mfrac><mrow><ms style="font-family: &quot;Cambria Math&quot;;">∂y</ms></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">∂x</ms></mrow></mfrac><mfrac><mrow><ms style="font-family: &quot;Cambria Math&quot;;">δy</ms></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">δx</ms></mrow></mfrac><mfrac><mrow><ms style="font-family: &quot;Cambria Math&quot;;">π</ms></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">2</ms></mrow></mfrac></mrow></mtd></mtr><mtr><mtd><mrow><mfrac><mrow><ms style="font-family: &quot;Cambria Math&quot;;">-b±</ms><msqrt><mrow><msup><mrow><ms style="font-family: &quot;Cambria Math&quot;;">b</ms></mrow><mn><ms style="font-family: &quot;Cambria Math&quot;;">2</ms></mn></msup><ms style="font-family: &quot;Cambria Math&quot;;">-4ac</ms></mrow></msqrt></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">2a</ms></mrow></mfrac></mrow></mtd></mtr><mtr><mtd><mrow><mtable><mtr><mtd><mrow><mrow><munderover><mo>∫</mo><mo><mn></mn></mo><mo><mn></mn></mo></munderover><ms style="font-family: &quot;Cambria Math&quot;;">dx</ms></mrow><mrow><munderover><mo>∬</mo><mo><mn><ms style="font-family: &quot;Cambria Math&quot;;">2</ms></mn></mo><mo><mn><ms style="font-family: &quot;Cambria Math&quot;;">1</ms></mn></mo></munderover><mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">dy</ms></mrow></mrow><mrow><munderover><mo>∭</mo><mo><mn><ms style="font-family: &quot;Cambria Math&quot;;">2</ms></mn></mo><mo><mn><ms style="font-family: &quot;Cambria Math&quot;;">1</ms></mn></mo></munderover><mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">dθ</ms></mrow></mrow></mrow></mrow></mrow></mtd></mtr><mtr><mtd><mrow><mrow><munderover><mo>∑</mo><mo><mn><ms style="font-family: &quot;Cambria Math&quot;;">k</ms></mn></mo><mo><mn></mn></mo></munderover><mrow><mo>(</mo><mrow><mfrac><mrow><ms style="font-family: &quot;Cambria Math&quot;;">n</ms></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">k</ms></mrow></mfrac></mrow><mo>)</mo></mrow></mrow><mrow><munderover><mo>∑</mo><mo><mn><mtable><mtr><mtd><mrow><ms style="font-family: &quot;Cambria Math&quot;;">0≤ i ≤ m</ms></mrow></mtd></mtr><mtr><mtd><mrow><ms style="font-family: &quot;Cambria Math&quot;;">0&lt;j&lt;n </ms></mrow></mtd></mtr></mtable></mn></mo><mo><mn></mn></mo></munderover><ms style="font-family: &quot;Cambria Math&quot;;">P</ms><mrow><mo>(</mo><mrow><ms style="font-family: &quot;Cambria Math&quot;;">i,j</ms></mrow><mo>)</mo></mrow></mrow><mrow><munderover><mo>∏</mo><mo><mn><ms style="font-family: &quot;Cambria Math&quot;;">k=1</ms></mn></mo><mo><mn><ms style="font-family: &quot;Cambria Math&quot;;">n</ms></mn></mo></munderover><msub><mrow><ms style="font-family: &quot;Cambria Math&quot;;">A</ms></mrow><mn><ms style="font-family: &quot;Cambria Math&quot;;">k</ms></mn></msub></mrow><mrow><munderover><mo>⋃</mo><mo><mn><ms style="font-family: &quot;Cambria Math&quot;;">n=1</ms></mn></mo><mo><mn><ms style="font-family: &quot;Cambria Math&quot;;">m</ms></mn></mo></munderover><mrow><mo>(</mo><mrow><msub><mrow><ms style="font-family: &quot;Cambria Math&quot;;">X</ms></mrow><mn><ms style="font-family: &quot;Cambria Math&quot;;">n</ms></mn></msub><ms style="font-family: &quot;Cambria Math&quot;;">∩</ms><msub><mrow><ms style="font-family: &quot;Cambria Math&quot;;">Y</ms></mrow><mn><ms style="font-family: &quot;Cambria Math&quot;;">n</ms></mn></msub></mrow><mo>)</mo></mrow></mrow></mrow></mtd></mtr><mtr><mtd><mrow><ms style="font-family: &quot;Cambria Math&quot;;">f</ms><mrow><mo>(</mo><mrow><ms style="font-family: &quot;Cambria Math&quot;;">x</ms></mrow><mo>)</mo></mrow><ms style="font-family: &quot;Cambria Math&quot;;">=</ms><mrow><mo>{</mo><mrow><mtable><mtr><mtd><mrow><ms style="font-family: &quot;Cambria Math&quot;;">-x,  &amp;x&lt;0</ms></mrow></mtd></mtr><mtr><mtd><mrow><ms style="font-family: &quot;Cambria Math&quot;;">x,  &amp;x≥0</ms></mrow></mtd></mtr></mtable></mrow><mo></mo></mrow><mrow><mo>(</mo><mrow><mfrac><mrow><ms style="font-family: &quot;Cambria Math&quot;;">n</ms></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">k</ms></mrow></mfrac></mrow><mo>)</mo></mrow><mrow><mo>⟨</mo><mrow><mfrac><mrow><ms style="font-family: &quot;Cambria Math&quot;;">n</ms></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">k</ms></mrow></mfrac></mrow><mo>⟩</mo></mrow></mrow></mtd></mtr><mtr><mtd><mrow><mrow><ms><ms style="font-family: &quot;Cambria Math&quot;;">tan</ms></ms><mrow><ms style="font-family: &quot;Cambria Math&quot;;">θ</ms></mrow></mrow><ms style="font-family: &quot;Cambria Math&quot;;">=</ms><mfrac><mrow><mrow><ms><ms style="font-family: &quot;Cambria Math&quot;;">sin</ms></ms><mrow><ms style="font-family: &quot;Cambria Math&quot;;">θ</ms></mrow></mrow></mrow><mrow><mrow><ms><ms style="font-family: &quot;Cambria Math&quot;;">cos</ms></ms><mrow><ms style="font-family: &quot;Cambria Math&quot;;">θ</ms></mrow></mrow></mrow></mfrac></mrow></mtd></mtr><mtr><mtd><mrow><mrow style="text-decoration: overline;"><mrow><ms style="font-family: &quot;Cambria Math&quot;;">A</ms></mrow></mrow><mrow style="text-decoration: overline;"><mrow><ms style="font-family: &quot;Cambria Math&quot;;">ABC</ms></mrow></mrow><mrow style="text-decoration: overline;"><mrow><ms style="font-family: &quot;Cambria Math&quot;;">x⊕y</ms></mrow></mrow></mrow></mtd></mtr><mtr><mtd><mrow><mrow><ms><munder><mrow><ms style="font-family: &quot;Cambria Math&quot;;">lim</ms></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">n→∞</ms></mrow></munder></ms><mrow><msup><mrow><mrow><mo>(</mo><mrow><ms style="font-family: &quot;Cambria Math&quot;;">1+</ms><mfrac><mrow><ms style="font-family: &quot;Cambria Math&quot;;">1</ms></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">n</ms></mrow></mfrac></mrow><mo>)</mo></mrow></mrow><mn><ms style="font-family: &quot;Cambria Math&quot;;">n</ms></mn></msup></mrow></mrow><mrow><ms><munder><mrow><ms style="font-family: &quot;Cambria Math&quot;;">max</ms></mrow><mrow><ms style="font-family: &quot;Cambria Math&quot;;">0≤x≤1</ms></mrow></munder></ms><mrow><ms style="font-family: &quot;Cambria Math&quot;;">x</ms><msup><mrow><ms style="font-family: &quot;Cambria Math&quot;;">e</ms></mrow><mn><ms style="font-family: &quot;Cambria Math&quot;;">-</ms><msup><mrow><ms style="font-family: &quot;Cambria Math&quot;;">x</ms></mrow><mn><ms style="font-family: &quot;Cambria Math&quot;;">2</ms></mn></msup></mn></msup></mrow></mrow></mrow></mtd></mtr><mtr><mtd><mrow><mrow><mrow><mover><mrow><ms style="font-family: &quot;Cambria Math&quot;;">yields</ms></mrow><mo>→</mo></mover></mrow></mrow></mrow></mtd></mtr><mtr><mtd><mrow><mrow><mo>(</mo><mrow><mtable><mtr><mtd><ms style="font-family: &quot;Cambria Math&quot;;">1</ms></mtd><mtd><ms style="font-family: &quot;Cambria Math&quot;;">⋯</ms></mtd><mtd><ms style="font-family: &quot;Cambria Math&quot;;">10</ms></mtd></mtr><mtr><mtd><ms style="font-family: &quot;Cambria Math&quot;;">⋮</ms></mtd><mtd><ms style="font-family: &quot;Cambria Math&quot;;">⋱</ms></mtd><mtd><ms style="font-family: &quot;Cambria Math&quot;;">⋮</ms></mtd></mtr><mtr><mtd><ms style="font-family: &quot;Cambria Math&quot;;">20</ms></mtd><mtd><ms style="font-family: &quot;Cambria Math&quot;;">⋯</ms></mtd><mtd><ms style="font-family: &quot;Cambria Math&quot;;">30</ms></mtd></mtr></mtable></mrow><mo>)</mo></mrow></mrow></mtd></mtr></mtable></mrow></mtd></mtr></mtable></mrow><mo></mo></mrow></math></span></p></article></section></div>